Gilfeather.
JP/EN

✳ SOFTWARE ENGINEER & BUILDER

From complex
problems to
useful software.

Understand the structure. Build the system.
I’m Gilfeather, a software engineer turning everyday
development problems into maintainable software.

Explore my work

BACKEND / DEVELOPER TOOLS / AI & ML

FIELD NOTES — 001BUILD / ITERATE
01

Real problem

02

Find the structure

03

Build a small solution

04

Test and improve

FROM A PROBLEM TO A WORKING SYSTEM

THINK IN SYSTEMS.
Rust ✳ Python ✳ TypeScript ✳ AWS
BUILD FOR USE.

01 / SELECTED WORK

Answers, built in code.

A selection of open-source and personal projects.
Explore the repositories and project pages for more detail.

OPEN SOURCE / ML INFRASTRUCTURE01

furnace

ML inference,
served through Rust.

An ONNX inference server built with Rust and Burn. An open-source project exploring how to expose machine learning models through an HTTP API.

  • Rust
  • Burn
  • ONNX
  • HTTP API
Explore the repository
OPEN SOURCE / AI INTEGRATION02

mcp-template

A starting point
for connecting AI to APIs.

A Python template for building MCP servers with FastMCP. It brings together authentication, error handling, caching, and other essentials for integrating external APIs.

  • Python
  • FastMCP
  • REST API
Explore the repository
PERSONAL PROJECT / APPLICATIONS03

KamiForge

Everyday friction.
A reason to build.

A showcase for personal applications, including an AI dialogue-based problem discovery tool. The work centers on practical value and ease of use.

  • AI
  • Applications
  • Problem discovery
Visit the project site

More public projects

Including a development HTTP server and static-site infrastructure on AWS.

ezserve aws-static-site-terraform

02 / HOW I BUILD

Beyond making it work.

Software for real use starts with a clear problem
and stays useful through thoughtful maintenance.

01

Understand the structure

Identify where complexity and friction come from. Turn the problem into something tractable before adding more features.

02

Keep it simple and explicit

Choose designs whose intent is easy to understand. Consider performance alongside ease of change and long-term maintainability.

03

Build, test, improve

Develop tools and utilities from practical problems. Iterate through implementation and verification to make them useful.

CLARITY → IMPLEMENTATION → ITERATION

03 / ABOUT

SOFTWARE ENGINEER
& INDEPENDENT BUILDER

Gilfeather.

A software engineer working mainly as a contractor. My focus includes backend and infrastructure development, system design, refactoring, and taking early implementations toward stability.

Outside contract work, I build open-source tools and personal applications driven by practical problems. I’m also exploring how AI can become part of development and operational workflows.

SELECTED TECHNOLOGIES

Rust / Python / TypeScript / AWS

LET’S CONNECT

Start with the code.

Find my projects and development work on GitHub.
Feedback through the relevant repository’s issues is welcome.

GitHub profile